Many of the following issues may be a result of corrupted software. However, this guide is more concerned with hardware issues and thus will operate under the assumption that it is not a software issue. As general advice, reflashing or updating your phone will resolve most software issues.

If your phone will not turn on, the most likely cause is a drained battery. Try putting your phone onto its charger for a couple hours and then attempt to turn it on again.

If your phone still will not turn on, remove the battery for a moment and then replace it. Additionally, if you have a spare battery, replace your current battery with your spare in order to see if it works with the spare. If the spare works, it is likely an issue with the other battery.

If your phone still will not turn on, it likely has a more serious problem, such as those listed below.

Alternatively, there may only be a scratch on the plastic cover. In this case there likely isn't anything you can do to easily get rid of the scratch. The best plan of action would be to use a screen protector to prevent future scratches.

The speaker itself may have a faulty connection to the motherboard. If this is the case, you will need to disassemble the device and adjust the speaker. Refer to the replacement guide, but only to fix the connection.

If the phone isn’t responding and the clock hasn’t changed for a couple minutes, your screen is frozen.

Try turning your phone off, waiting five seconds, and then turning it back on.

If this doesn’t fix the problem you should try turning the phone off and removing the battery for a couple seconds. If you are unable to turn your phone off, you will have to remove the battery while the phone is on.

After leaving the battery out for a couple seconds, place it back in the phone and try turning your phone on to see if the touchscreen is working.